Usage:
Ithaca Peak Granite (AZ*-recognized locally in Mineral Park district)
Ithaca Peak Porphyry (AZ)
Geologic age:
Mesozoic*
Type section, locality, area and/or origin of name:
Named from imposing crag in Mineral Park district. Both Ithaca Peak and Turquoise Mountain composed of granite. All in Wallapai mining district, Mohave Co., northwestern AZ (Thomas, 1949).
AAPG geologic province:
Plateau sedimentary province*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).